Home / 5,582.40-8,366.30-2,812.20

Finding the Fourth Proportional to 5,582.40, 8,366.30 and 2,812.20

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Solution

The fourth proportional to 5,582.40, 8,366.30 and 2,812.20 is: 4,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.40 : 8,366.30 = 2,812.20 : x
  2. Step 2: Convert to fraction form
    5,582.40/8,366.30 = 2,812.20/x
  3. Step 3: Cross multiply
    5,582.40x = 8,366.30 × 2,812.20
  4. Step 4: Simplify right side
    5,582.40x = 23,527,708.86
  5. Step 5: Solve for x
    x = 23,527,708.86/5,582.40
  6. Step 6: Final answer
    x = 4,214.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.